KR100325591B1 - 텔레비전튜닝장치 - Google Patents

텔레비전튜닝장치 Download PDF

Info

Publication number
KR100325591B1
KR100325591B1 KR1019940701375A KR19940701375A KR100325591B1 KR 100325591 B1 KR100325591 B1 KR 100325591B1 KR 1019940701375 A KR1019940701375 A KR 1019940701375A KR 19940701375 A KR19940701375 A KR 19940701375A KR 100325591 B1 KR100325591 B1 KR 100325591B1
Authority
KR
South Korea
Prior art keywords
tuning
voltage
signal
dac
control
Prior art date
Application number
KR1019940701375A
Other languages
English (en)
Korean (ko)
Inventor
데이비드 마아크 배저
Original Assignee
톰슨 콘슈머 일렉트로닉스, 인코포레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 톰슨 콘슈머 일렉트로닉스, 인코포레이티드 filed Critical 톰슨 콘슈머 일렉트로닉스, 인코포레이티드
Application granted granted Critical
Publication of KR100325591B1 publication Critical patent/KR100325591B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
    • H03J1/0075—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength where the receiving frequencies of the stations are stored in a permanent memory, e.g. ROM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
KR1019940701375A 1992-08-28 1993-08-30 텔레비전튜닝장치 KR100325591B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9218373.0 1992-08-28
GB929218373A GB9218373D0 (en) 1992-08-28 1992-08-28 Voltage offset generator with voltage controlled offset range
PCT/US1993/008150 WO1994006208A1 (en) 1992-08-28 1993-08-30 Television tuning apparatus

Publications (1)

Publication Number Publication Date
KR100325591B1 true KR100325591B1 (ko) 2002-08-24

Family

ID=10721141

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940701375A KR100325591B1 (ko) 1992-08-28 1993-08-30 텔레비전튜닝장치

Country Status (8)

Country Link
EP (1) EP0610495B1 (ja)
JP (1) JP3016862B2 (ja)
KR (1) KR100325591B1 (ja)
CA (1) CA2117255C (ja)
DE (1) DE69328415T2 (ja)
GB (1) GB9218373D0 (ja)
SG (1) SG98354A1 (ja)
WO (1) WO1994006208A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7120407B2 (en) 2000-10-02 2006-10-10 Niigata Seimitsu Co., Ltd. Receiver and its tracking adjusting method
JP2002111527A (ja) * 2000-10-02 2002-04-12 Niigata Seimitsu Kk 受信機およびそのトラッキング調整方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334323A (en) * 1980-09-08 1982-06-08 Zenith Radio Corporation Self tracking tuner
DE3308690A1 (de) * 1983-03-11 1984-09-13 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren zum abstimmen der schwingkreise eines nachrichtenempfangsgeraetes
JPS60194818A (ja) * 1984-03-16 1985-10-03 Onkyo Corp 受信装置
JP2522311B2 (ja) * 1987-07-08 1996-08-07 ソニー株式会社 電子機器のサ−ビスモ−ド設定方法

Also Published As

Publication number Publication date
JPH07500718A (ja) 1995-01-19
EP0610495B1 (en) 2000-04-19
SG98354A1 (en) 2003-09-19
JP3016862B2 (ja) 2000-03-06
CA2117255A1 (en) 1994-03-17
CA2117255C (en) 2003-11-11
WO1994006208A1 (en) 1994-03-17
DE69328415T2 (de) 2000-09-07
EP0610495A1 (en) 1994-08-17
DE69328415D1 (de) 2000-05-25
GB9218373D0 (en) 1992-10-14

Similar Documents

Publication Publication Date Title
US5678211A (en) Television tuning apparatus
US5752179A (en) Selective RF circuit with varactor tuned and switched bandpass filters
US6774736B1 (en) Voltage-controlled oscillator circuit for direct modulation
EP1301990B1 (en) Receiver comprising a digitally controlled capacitor bank
US3579281A (en) Combining network providing compensated tuning voltage for varactor
US4598423A (en) Tuning circuit for a multiband tuner
US3354397A (en) Voltage variable diode capacitance tunable circuit for television apparatus
US6035185A (en) Selective RF circuit with varactor tuned bandpass switched bandpass filters
US6490441B1 (en) Tuning circuit device with built-in band pass integrated on semiconductor substrate together with PLL circuit
US5929716A (en) High performance voltage controlled oscillator that is cost efficient
US3962653A (en) Arrangement for simultaneously producing signals having an increasing frequency and signals having a decreasing frequency
KR100325591B1 (ko) 텔레비전튜닝장치
US4288875A (en) Controlled local oscillator with apparatus for extending its frequency range
US4426734A (en) Arrangement useful in a phase locked loop tuning control system for selectively applying an aft voltage in a manner to improve loop stability
US4320357A (en) VHF-FM Frequency synthesizer
US3997856A (en) Frequency discriminator circuit arrangement
US4996599A (en) Television tuner oscillator with three point tracking
EP0639893B1 (en) Negative feedback control circuit having a common line for input and output signals
US4555808A (en) Tuner apparatus
GB2240227A (en) Local oscillation circuit for band switching
US4195274A (en) Temperature compensating circuit for varactor diodes
KR900005463B1 (ko) 위상 고정루프 동조시스템
US4127825A (en) Linear frequency discriminator
JP3117802B2 (ja) モジュレータの温度補償回路
GB2110492A (en) A tuning arrangement for providing relatively uniform automatic fine tuning sensitivity

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20110201

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee